When is the first frost?

Every specific time is very important for every solar term, but how can we know the specific time? Moreover, when each solar term comes, its impact on the weather and life is different, so it needs to be analyzed in this process.

The first frost time.

The solar term of the first frost is Gregorian calendar 10 year123-24 October. The 24 solar terms are determined according to the position of the sun on the ecliptic. When the longitude of the sun is 2 10, it is the first frost, and it is winter after the first frost.

The meaning of killing herbs by first frost

This sentence is a folk agricultural custom, which means that plants that have suffered severe frost have no vitality at all. This is because the liquid in plants forms ice crystals due to frost, protein precipitates, and the water in cells extravasates, which makes the protoplasm seriously dehydrated and deteriorated. So this phenomenon is called "the first frost kills a hundred herbs", which means that when winter comes, these plants are not suitable for survival.

Traditional food with first frost and solar terms

1, eat beef

In some places, in order to commemorate the frost and dew solar terms, many places have the custom of eating beef dinner in the first frost. From the health point of view, beef is very popular because of its high protein content, low fat content and delicious taste.

Step 2 eat radishes

Radish is the treasure of autumn, and there is a saying in China that "October radish competes with ginseng", which means that eating radish in October is as beneficial as eating ginseng. The first frost solar term is the transition time from autumn to winter, so during the first frost, people in China also have the custom of eating radishes.

Step 3 eat persimmons

In some parts of our country, people eat red persimmons in the first frost season. In the eyes of local people, it can not only keep out the cold and keep warm, but also nourish the bones and muscles. This is a good first frost food. In addition, persimmons generally mature completely before and after the first frost. At this time, the persimmon is thin and fragrant, with high nutritional value, and everyone likes it very much.